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# ==========================================
# SAAP Backend Dockerfile (Multi-Stage Build)
# Python 3.11 + FastAPI + PostgreSQL
# ==========================================
# ==========================================
# Stage 1: Builder (Dependencies Installation)
# ==========================================
FROM python:3.11-slim AS builder
LABEL maintainer="SATWARE AG <[email protected]>"
LABEL description="SAAP Backend - satware Autonomous Agent Platform"
# Set working directory
WORKDIR /app
# Install system dependencies for building Python packages
RUN apt-get update && apt-get install -y --no-install-recommends \
gcc \
g++ \
libpq-dev \
&& rm -rf /var/lib/apt/lists/*
# Copy requirements first for better caching
COPY requirements.txt .
# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# ==========================================
# Stage 2: Runtime (Minimal Production Image)
# ==========================================
FROM python:3.11-slim AS runtime
# Set working directory
WORKDIR /app
# Install runtime dependencies only
RUN apt-get update && apt-get install -y --no-install-recommends \
libpq5 \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy installed packages from builder
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin
# Create non-root user for security
RUN groupadd -r saap && useradd -r -g saap saap
# Copy application code
COPY --chown=saap:saap . .
# Create necessary directories
RUN mkdir -p logs && chown -R saap:saap logs
# Switch to non-root user
USER saap
# Environment variables
ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
PYTHONPATH=/app
# Expose port
EXPOSE 8000
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
CMD curl -f http://localhost:8000/health || exit 1
# Run application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]
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